Subtract 7/18 from 27/10
1st number: 2 7/10, 2nd number: 7/18
27/10 - 7/18 is 104/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
27/10 = 27 × 9/10 × 9 = 243/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
7/18 = 7 × 5/18 × 5 = 35/90 - Subtract the two like fractions:
243/90 - 35/90 = 243 - 35/90 = 208/90 - After reducing the fraction, the answer is 104/45
- In mixed form: 214/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10-7/18 27/10-14/18 27/20-7/18 27/10-7/36 81/10-7/18 27/10-21/18 27/30-7/18 27/10-7/54 27/10-35/18 27/50-7/18 27/10-7/90 27/10-49/18 27/70-7/18